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authorJoerg Roedel2020-05-04 14:54:11 +0200
committerJoerg Roedel2020-05-05 14:38:38 +0200
commitf44a4d7e4f1cdef73c90b1dc749c4d8a7372a8eb (patch)
tree25111b3df6d5325450b91d29f7847fc8176529b1 /drivers
parent5b8a9a047b6cad361405c7900c1e1cdd378c4589 (diff)
iommu/amd: Call domain_flush_complete() in update_domain()
The update_domain() function is expected to also inform the hardware about domain changes. This needs a COMPLETION_WAIT command to be sent to all IOMMUs which use the domain. Signed-off-by: Joerg Roedel <jroedel@suse.de> Tested-by: Qian Cai <cai@lca.pw> Link: https://lore.kernel.org/r/20200504125413.16798-4-joro@8bytes.org Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/iommu/amd_iommu.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 68da484a69dd..d2499c86d395 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -2321,6 +2321,7 @@ static void update_domain(struct protection_domain *domain)
domain_flush_devices(domain);
domain_flush_tlb_pde(domain);
+ domain_flush_complete(domain);
}
int __init amd_iommu_init_api(void)